| Benten-jima | |
| Map: | Japan |
| Native Name Link: | Japanese language |
| Location: | Sea of Japan (La Pérouse Strait) |
| Coordinates: | 45.5264°N 141.9192°W |
| Area Km2: | 0.005 |
| Coastline Km: | .5 |
| Highest Mount: | unnamed point |
| Elevation M: | 20 |
| Country: | Japan |
| Country Admin Divisions Title: | Prefectures |
| Country Admin Divisions: | Hokkaido |
| Country Admin Divisions Title 1: | Subprefecture |
| Country Admin Divisions 1: | Sōya |
| Country Admin Divisions Title 2: | City |
| Country Admin Divisions 2: | Wakkanai |
| Population: | 0 |
is a small deserted island west by northwest of Cape Sōya, Wakkanai, Hokkaidō, Japan. It is the northernmost piece of land under Japanese control. The island is north of Sannai settlement. Another island called lies southeast of Benten-jima.
Benten-jima is 0.5ha in area, its perimeter is roughly 500m (1,600feet), and its highest point is 20m (70feet) above sea level. It is named after Benzaiten, once enshrined on the island. The wildlife includes many seabirds, Steller sea lions, kombu kelp, and sea urchins; it has been recognised as an Important Bird Area (IBA) by BirdLife International because it supports a large breeding colony of black-tailed gulls.[1]